In the matrix A=⎣⎡a2013 5xx2−y5−2 ⎦⎤, writeThe number of the elements
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For two unimodular complex number z1andz2
is equal to
d. none of these
are two matrices such that AB=BandBA=A,then
is idempotent d. none of these
Prove that the determinant ∣∣x−sinθ cosθ sinθ −x1cosθ 1x∣∣ is independent of θ.
If P is an orthogonal matrix and Q=PAPTandx=PTQ1000P then x−1 is , where A is involutary matrix.
A b. I c. A1000 d. none of these
Solve the system of equations, using matrix method2x+y+z=1, x−2y−z=23, 3y−5z=9
If a matrix has 18 elements, what are the possible order it can have ?
Find the inverse of the matrices , if it exists.
Find the values of x and y, when[2x+5073y−7]=[x−307−5]